import time

letra = "O"
fondo = "*"
tronco = "•"
ancho = 21
tope = 101

while ancho <= tope:
    for i in range(1, ancho, 4):
        print((letra * i).center(tope, fondo))
        time.sleep(0.02)
    i = 0
    while i < 5:
        print((f"|{tronco}|").center(tope, fondo))
        time.sleep(0.02)
        i += 1
    ancho += 10

'''class Cuenta(titular, cantidad):
    def imprimirDatos():


class PlazoFijo(Cuenta):


class Ahorro(Cuenta):'''